From nobody Thu Sep 19 01:42:26 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8AAC1CE7B0E for ; Thu, 28 Sep 2023 08:56:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231657AbjI1I4w (ORCPT ); Thu, 28 Sep 2023 04:56:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49220 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231641AbjI1I40 (ORCPT ); Thu, 28 Sep 2023 04:56:26 -0400 Received: from mail-qk1-x734.google.com (mail-qk1-x734.google.com [IPv6:2607:f8b0:4864:20::734]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5EEC310E5 for ; Thu, 28 Sep 2023 01:56:18 -0700 (PDT) Received: by mail-qk1-x734.google.com with SMTP id af79cd13be357-77412b91c41so701800785a.1 for ; Thu, 28 Sep 2023 01:56:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1695891377; x=1696496177; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=lkJYdDv7vj4Uy20rk51h7r68X+BWwdYjEPU0JRU45tk=; b=W7iqXPl1ilxsOzpHV1MzQEqxbrzG6JwUED00VU5jPUEeJgkPg+AhN37RsQq5J2cZ1F JT5QQa2WRJ1OmPp5AOkDAZQRaZnhAw3nCW7FP68Yo8NJ7+qzHE3kR3sOa6FcOPdeq+JT bK+Vthk6FResr/3HaS8qJez25xtSRkAR9Ob7s= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695891377; x=1696496177; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=lkJYdDv7vj4Uy20rk51h7r68X+BWwdYjEPU0JRU45tk=; b=g6Y30e1idFTELeYuiwyZ3gN3MbH9udrM5d/iKeLhUJCTtaOS+SsPFniOv5gSfRQoSI oYomIGSebSEaP5dSv5emNLCOPU9jj4zu6Kahm7+Vsz6W6z8gufNES2XlA6DyjweUJniB p602kjA1BdSkm8t+slLhtPKx78aKPsXvz8UaWK6jXp10uhNvLuoxggLEyokndPIbu8eY /zEARXZPp6DaietHR0n+85NNGahTezwwuzXNMHGTTO5dMS7enlRN2Poiy2SqSR2j3nFh cL2dJtFLpfpXFmvo7DNvA0rJA4ms8rORZI5qbv8b6TyNSXjCjqU+3IPXTVkNx6jR6RRE 0mXA== X-Gm-Message-State: AOJu0YzmYylXWnj2MDXZzPEHswlgpi5/EmliqBo6Ii+xWPqJy/psjZ6r 7SYBYNYTBApneViRfETXmfrAtw== X-Google-Smtp-Source: AGHT+IFJJUO5Hu6UJlnYtKh2hlhvcGkIEdCg29daSxtYpNQfNXcbnh8wqyTgQizr5sFN95VktY0cuQ== X-Received: by 2002:a05:620a:25ce:b0:773:a229:5a4a with SMTP id y14-20020a05620a25ce00b00773a2295a4amr491245qko.25.1695891377265; Thu, 28 Sep 2023 01:56:17 -0700 (PDT) Received: from wenstp920.tpe.corp.google.com ([2401:fa00:1:10:6747:c12a:dbfd:2cc7]) by smtp.gmail.com with ESMTPSA id y7-20020aa78047000000b006879493aca0sm1754016pfm.26.2023.09.28.01.56.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Sep 2023 01:56:16 -0700 (PDT) From: Chen-Yu Tsai To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Mark Brown Cc: Chen-Yu Tsai , Lee Jones , Zhiyong Tao , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v4 09/12] regulator: mt6358: Make MT6366 vcn18 LDO configurable Date: Thu, 28 Sep 2023 16:55:32 +0800 Message-ID: <20230928085537.3246669-10-wenst@chromium.org> X-Mailer: git-send-email 2.42.0.582.g8ccd20d70d-goog In-Reply-To: <20230928085537.3246669-1-wenst@chromium.org> References: <20230928085537.3246669-1-wenst@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The VCN18 regulator on the MT6366 (only) actually has a wide configurable range of voltages, even though its name suggests a fixed output voltage. Convert it from a fixed LDO to a configurable LDO. Its range of settings is the same as the VM18 regulator, which is missing and will be added in a subsequent patch. Signed-off-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno --- drivers/regulator/mt6358-regulator.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/mt6358-regulator.c b/drivers/regulator/mt635= 8-regulator.c index 14ed728fba69..946f62242718 100644 --- a/drivers/regulator/mt6358-regulator.c +++ b/drivers/regulator/mt6358-regulator.c @@ -325,6 +325,27 @@ static const struct linear_range vldo28_ranges[] =3D { REGULATOR_LINEAR_RANGE(3000000, 0, 10, 10000), }; =20 +static const unsigned int mt6366_vcn18_vm18_selectors[] =3D { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; +static const struct linear_range mt6366_vcn18_vm18_ranges[] =3D { + REGULATOR_LINEAR_RANGE(600000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(700000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(900000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1100000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1200000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1300000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1400000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1500000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1600000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1700000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1900000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2100000, 0, 10, 10000), +}; + static unsigned int mt6358_map_mode(unsigned int mode) { return mode =3D=3D MT6397_BUCK_MODE_AUTO ? @@ -559,7 +580,6 @@ static const struct mt6358_regulator_info mt6366_regula= tors[] =3D { MT6358_LDO_VRF12_CON0, 0, 1200000), MT6366_REG_FIXED("vio18", VIO18, MT6358_LDO_VIO18_CON0, 0, 1800000), - MT6366_REG_FIXED("vcn18", VCN18, MT6358_LDO_VCN18_CON0, 0, 1800000), MT6366_REG_FIXED("vfe28", VFE28, MT6358_LDO_VFE28_CON0, 0, 2800000), MT6366_REG_FIXED("vcn28", VCN28, MT6358_LDO_VCN28_CON0, 0, 2800000), MT6366_REG_FIXED("vxo22", VXO22, MT6358_LDO_VXO22_CON0, 0, 2200000), @@ -592,6 +612,8 @@ static const struct mt6358_regulator_info mt6366_regula= tors[] =3D { MT6358_LDO_VMC_CON0, 0, MT6358_VMC_ANA_CON0, 0xf00), MT6366_LDO("vsim2", VSIM2, vsim, MT6358_LDO_VSIM2_CON0, 0, MT6358_VSIM2_ANA_CON0, 0xf00), + MT6366_LDO("vcn18", VCN18, mt6366_vcn18_vm18, + MT6358_LDO_VCN18_CON0, 0, MT6358_VCN18_ANA_CON0, 0xf00), MT6366_LDO1("vsram-proc11", VSRAM_PROC11, 500000, 1293750, 6250, MT6358_LDO_VSRAM_PROC11_DBG0, 0x7f00, MT6358_LDO_VSRAM_CON0, 0x7f), MT6366_LDO1("vsram-others", VSRAM_OTHERS, 500000, 1293750, 6250, --=20 2.42.0.582.g8ccd20d70d-goog